Manufacturer

KNOWLES

Part Number	Manufacturer	Price	Product Series Line	IC Encapsulation Type	Availability Status	Core Technology Platform	Device Type Classification	Operational Hz Spectrum	Self-Resonance Frequency	AC Resistance Value	Noise Efficiency in dBA	Tested Efficiency Metrics	Efficiency Measurement Method	Nominal Power Rating	Maximum Power Handling	Connection Port Placement	Physical Shape Form	Speaker Cone Material	Magnetic Element Composition	Dust Water Resistance Rating	Performance Rating Specs	Circuit End Method	Package Size Specs	Maximum Mounted Height
2403 260 00086 KNOWLES	KNOWLES	-	FOX	Tray	Obsolete	Magnetic	General Purpose	400 Hz ~ 20 kHz	850Hz	8 Ohms	70.50	1W/1M	Sensitivity	500 mW	700 mW	Top	Rectangular	Polyester	Nd-Fe-B	-	-	Spring Type	0.630" L x 0.354" W (16.00mm x 9.00mm)	0.122" (3.10mm)
2403 263 00052 KNOWLES	KNOWLES	-	Julia Hac	Tray	Obsolete	Magnetic	Receiver	300 Hz ~ 4 kHz	450Hz	16 Ohms	111.50	-	Sensitivity	20 mW	20 mW	Top	Rectangular	-	-	-	-	Spring Type	0.591" L x 0.236" W (15.00mm x 6.00mm)	0.098" (2.50mm)
2403 260 00031 KNOWLES	KNOWLES	-	-	Tape & Reel (TR)	Obsolete	Magnetic	Receiver	100 Hz ~ 10 kHz	350Hz	32 Ohms	68.00	1W/1M	Sensitivity	40 mW	75 mW	Top	Rectangular	Polyester	Nd-Fe-B	-	-	Spring Type	0.472" L x 0.315" W (12.00mm x 8.00mm)	0.085" (2.15mm)
2403 260 00089 KNOWLES	KNOWLES	-	Nautilus 180	Tray	Obsolete	Magnetic	General Purpose	300 Hz ~ 10 kHz	750Hz	8 Ohms	73.00	1W/1M	Sensitivity	600 mW	1 W	Top	Rectangular	Polyester	Nd-Fe-B	-	-	Spring Type	0.591" L x 0.433" W (15.00mm x 11.00mm)	0.157" (4.00mm)
2403 260 00071 KNOWLES	KNOWLES	-	Grand	Tray	Obsolete	Magnetic	General Purpose	300 Hz ~ 20 kHz	750Hz	8 Ohms	73.00	1W/1M	Sensitivity	600 mW	1 W	Top	Rectangular	Polyester	Nd-Fe-B	-	-	Spring Type	0.709" L x 0.512" W (18.00mm x 13.00mm)	0.098" (2.50mm)
2403 260 00107 KNOWLES	KNOWLES	-	Donau-WP	Tray	Obsolete	Magnetic	General Purpose	300 Hz ~ 20 kHz	450Hz	8 Ohms	73.00	1W/1M	Sound Pressure Level (SPL)	600 mW	1 W	Top	Rectangular	Polyester	Nd-Fe-B	Waterproof	-	Spring Type	0.591" L x 0.433" W (15.00mm x 11.00mm)	0.138" (3.50mm)
2403 260 00058 KNOWLES	KNOWLES	-	Sambo	Tray	Obsolete	Magnetic	General Purpose	300 Hz ~ 15 kHz	500Hz	8 Ohms	76.00	1W/1M	Sensitivity	700 mW	700 mW	Top	Rectangular	Polyester	Nd-Fe-B	-	-	Spring Type	0.709" L x 0.512" W (18.00mm x 13.00mm)	0.181" (4.60mm)
2403 260 00057 KNOWLES	KNOWLES	-	Dumbo	Tray	Obsolete	Magnetic	General Purpose	300 Hz ~ 20 kHz	650Hz	8 Ohms	73.00	1W/1M	Sensitivity	700 mW	1 W	Top	Rectangular	Silicone	Nd-Fe-B	Waterproof	-	Spring Type	0.709" L x 0.512" W (18.00mm x 13.00mm)	0.181" (4.60mm)
2403 260 00041 KNOWLES	KNOWLES	-	-	Tape & Reel (TR)	Obsolete	Magnetic	Receiver	300 Hz ~ 10 kHz	520Hz	32 Ohms	65.00	1W/1M	Sensitivity	40 mW	75 mW	Top	Rectangular	Polyester	Nd-Fe-B	-	-	Spring Type	0.394" L x 0.189" W (10.00mm x 4.80mm)	0.089" (2.25mm)
2403 260 00106 KNOWLES	KNOWLES	-	SC-Lean-WP	Tape & Reel (TR)	Obsolete	Magnetic	Receiver	160 Hz ~ 10 kHz	350Hz	32 Ohms	65.00	1W/1M	Sound Pressure Level (SPL)	10 mW	75 mW	Top	Rectangular	Polyester	Nd-Fe-B	Waterproof	-	Spring Type	0.472" L x 0.236" W (12.00mm x 6.00mm)	0.079" (2.00mm)
2403 260 00087 KNOWLES	KNOWLES	-	Franklin	Tray	Obsolete	Magnetic	Receiver	160 Hz ~ 6.5 kHz	400Hz	32 Ohms	71.00	1W/1M	Sensitivity	20 mW	50 mW	Top	Rectangular	Polyester	Nd-Fe-B	-	-	Spring Type	0.591" L x 0.236" W (15.00mm x 6.00mm)	0.083" (2.10mm)
2403 260 00165 KNOWLES	KNOWLES	-	Wildcat S9	Tray	Obsolete	Magnetic	General Purpose	300 Hz ~ 20 kHz	510Hz	8 Ohms	94.00	1W/1M	Sound Pressure Level (SPL)	700 mW	700 mW	Top	Rectangular	Polyetheretherketone (PEEK)	Nd-Fe-B	-	-	Spring Type	0.630" L x 0.354" W (16.00mm x 9.00mm)	0.118" (3.00mm)
2403 260 00001 KNOWLES	KNOWLES	-	-	Tray	Obsolete	Magnetic	General Purpose	300 Hz ~ 20 kHz	800Hz	8 Ohms	73.00	1W/1M	Sensitivity	500 mW	1 W	Top	Rectangular	Polyester	Nd-Fe-B	-	-	Spring Type	0.591" L x 0.433" W (15.00mm x 11.00mm)	0.138" (3.50mm)
2403 263 00092 KNOWLES	KNOWLES	-	Nith	Tray	Obsolete	Magnetic	Receiver	160 Hz ~ 10 kHz	300Hz	32 Ohms	89.00	10mW/10mm	Sensitivity	100 mW	10 mW	Top	Rectangular	Polyester	Nd-Fe-B	-	-	Spring Type	0.591" L x 0.315" W (15.00mm x 8.00mm)	0.059" (1.50mm)
2403 263 00301 KNOWLES	KNOWLES	-	Donau Slim	Tray	Obsolete	Magnetic	General Purpose	300 Hz ~ 17 kHz	800Hz	8 Ohms	73.50	1W/1M	Sound Pressure Level (SPL)	600 mW	1.2 W	Top	Rectangular	Foil	Nd-Fe-B	-	-	Solder Pads	0.591" L x 0.433" W (15.00mm x 11.00mm)	0.118" (3.00mm)
CM-28431-000 KNOWLES	KNOWLES	-	CM	Bulk	Obsolete	Magnetic	Receiver, Balanced Armature	150 Hz ~ 6 kHz	-	30 Ohms	119.00	-	-	-	-	Top	Round	-	-	-	-	Flex Contacts	0.651" Dia (16.54mm)	0.330" (8.38mm)
2403 260 00098 KNOWLES	KNOWLES	-	Cobra Side Fire	Tray	Obsolete	Magnetic	General Purpose	300 Hz ~ 10 kHz	780Hz	6 Ohms	73.50	1W/10mm	Sound Pressure Level (SPL)	1 W	1.2 W	Top	Rectangular	Silicone	Nd-Fe-B	-	-	Spring Type	0.591" L x 0.433" W (15.00mm x 11.00mm)	0.157" (4.00mm)
2403 260 00051 KNOWLES	KNOWLES	-	-	Tape & Reel (TR)	Obsolete	Magnetic	Receiver	160 Hz ~ 10 kHz	350Hz	32 Ohms	65.00	1W/1M	Sensitivity	10 mW	75 mW	Top	Rectangular	Polyester	Nd-Fe-B	-	-	Spring Type	0.472" L x 0.236" W (12.00mm x 6.00mm)	0.083" (2.10mm)
2403 263 00077 KNOWLES	KNOWLES	-	-	Tray	Obsolete	Magnetic	General Purpose	300 Hz ~ 15 kHz	540Hz	8 Ohms	74.00	1W/1M	Sensitivity	500 mW	1 W	Top	Round	Plastic	Nd-Fe-B	-	-	Solder Pads	0.646" Dia (16.40mm)	0.177" (4.50mm)
2403 260 00132 KNOWLES	KNOWLES	-	SC-Cobra-WP	Tray	Obsolete	Magnetic	General Purpose	300 Hz ~ 20 kHz	500Hz	6 Ohms	74.00	1W/10mm	Sound Pressure Level (SPL)	1 W	1.2 W	Top	Rectangular	Silicone	Nd-Fe-B	Waterproof	-	Spring Type	0.591" L x 0.433" W (15.00mm x 11.00mm)	0.138" (3.50mm)